/Engine/Source/Runtime/Core/Public/IO/IoDispatcher.h
Reads the chunk off the disk, decrypting/decompressing as necessary.
[TIoStatusOr](API\Runtime\Core\IO\TIoStatusOr)< [FIoBuffer](API\Runtime\Core\IO\FIoBuffer) > Read ( const [FIoChunkId](API\Runtime\Core\IO\FIoChunkId) & Chunk, const [FIoReadOptions](API\Runtime\Core\IO\FIoReadOptions) & Options ) const